#this is simply finding the maximum of random number if the user entred 0 finished the proccess
num=int(input("enter a number"))
maximum=num #first integer assign as a max number
if (num==0):
print("max num is 0") #if the first number is 0 just printed

else:
while (num!=0): #do it till entered 0
num=int(input("enter next number"))
#compare with previous number
if(maximum>num):
maximum
else:
maximum=num

print("max number in your range is", maximum)